Bryn-Derwen Hall is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 26 May 1995. House. 1 related planning application.
Bryn-Derwen Hall
- WRENN ID
- tired-mullion-yew
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 26 May 1995
- Type
- House
- Address
- Bryn-Derwen Hall, Bwlch-Y-Cibau, Meifod, SY22 5LH
- OS grid reference
- SJ 170 181
- Coordinates
- 52.7543, -3.23077
- Source
- Cadw listing
Description
Bryn-Derwen Hall is a two-storey building with attics, constructed from polygonal rubble stonework and featuring limestone dressings, topped with slate roofs. The northwest front showcases two unequal gables. It has a boarded door with a triangular arch and a hood mould supported by carved head stops. Above the door, there is a two-light shouldered window set in a pointed arched opening with a quatrefoil at the top. The larger gable on the right includes stone mullioned and transomed windows on both floors, with twin lights in the attic gable. Similar windows are found on either side of this gable. The eaves are bracketed. The main southeast front features two and three-light stone mullioned and transomed windows, a gable at the southwest end, and a canted bay window on the ground floor that rises to a square shape on the first floor. Brick stacks are present on the building.
Local climate
Bryn-Derwen Hall receives an average of 890 mm of rain a year. This makes it wetter than 66% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 56% of listed buildings.
It experiences an average of 43 freeze-thaw cycles a year, more than 84% of listed buildings. Of these, 24 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
More on this building
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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- No sale records on file
- Related listed building consents — 1 application
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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